一.spring 1.spring体系结构 (1)核心容器(core container):由spring-core,spring-beans,spring-context和spring-expression(SpEL,Spring表达式语言,Spring Expression Language)等模块组成 (2)数据访问(data access):jdbc,orm(jpa,heribate),transactions (3)web:web,web-mvc,web-socket (4)其它:ao…